2022-09-14

Group 6

Our dataset

Target: River water quality trends

Location: Throughout New Zealand

Time: 1990-2017, 1998-2017 and 2008-2017

Indicators: total nitrogen, total phosphorus, water clarity, turbidity, E.Coli, dominant landcover, trend

Retrieved from: Ministry for the Environment’s database

Our motivation: We are passionate about environmental conservation. Important to perform analyses to determine what NZ needs to focus on to improve the health of our rivers.

Visualisations of our data

Overall trends in river health over dominant land types of NZ rivers

Overall trends in river health over dominant land types of NZ rivers

Visualisations of our data

Trends in NZ river health indicators

Trends in NZ river health indicators

Interesting findings

Histogram of turbidity (blue) vs. nitrogen (yellow)

Histogram of turbidity (blue) vs. nitrogen (yellow)

Interesting findings


Pairs plot for nitrogen and turbidity in 2008

Future steps